11 34 552 Removing and installing or replacing all valves (B36A/B38A)

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Special tools required:

11 4 480

Necessary preliminary tasks:

Remove CYLINDER HEAD .
Remove EXHAUST CAMSHAFT .
Remove INTAKE CAMSHAFT
Remove ROCKER ARMS
Remove VALVE SPRINGS
Remove VALVE STEM SEALS

Arrangement:

Valve
Valve stem seal with spring cup, bottom
Valve spring
Top spring cup
Valve keys

Fig 1: Exploded View Of Valve Assembly

Courtesy of BMW OF NORTH AMERICA, INC.

If the valves are to be reused, set them down in special tool 11 4 480 in a tidy and orderly fashion.